diff --git a/+af_tools/@Airfoil/Airfoil.m b/+af_tools/@Airfoil/Airfoil.m
index 9bfedc302f9420bb375afa2573baaba209522bb8..335c2147cc22b1751f3ecd519b8927ee3db60895 100644
--- a/+af_tools/@Airfoil/Airfoil.m
+++ b/+af_tools/@Airfoil/Airfoil.m
@@ -1,4 +1,4 @@
-classdef Airfoil
+classdef Airfoil< handle
     % AIRFOIL Class for airfoils with all their important data.
     %   This AIRFOIL class is used to represent completely an airfoil and the important metrics
     %   attached to it. These data include: